Eaton Industrial Switchgear - xCommand xSystem Automation, control & visualization

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11/24 Electronic relays
Measuring and monitoring relays
2010 CA08103002Z-EN
EMR
Measuringandmonitoring relaysEMR
EMR4-F500-2
Input circuit, measuring circuit
Phase conductor L1-L2-L3
Rated control voltage US 3 x 200 - 500 V AC
Power consumption Approx. 15 VA
Tolerance of rated control voltage US -15 - +10 %
Rated frequency 50/60 Hz
Duty factor (DF) 100%
Measuring circuit
Monitoring functions
Phase failure Yes
Phase sequence Yes
Measuring range 3 x 200 - 500 V AC
Threshold value 0.6 x U N
Frequency of measuring signal 50/60 Hz
Response time 500 ms
Measuring error within rated control voltage tolerance ≤ 0.5 %
Measuring error within temperature range ≤ 0.06 %/°C
Timing circuit
On-delay Ts Fixed 500 ms
Operating status indication
Relay status R: yellow LED Continuous light: output relay picked up
Output circuits
Output circuits 11(15) -12(16)/14(18), 21(25) -22(26)/24(28)
Output type Two changeover contacts
Operating principle Closed-circuit principle: output relays drop out when value exceeds/below set
threshold value
Contact material AgNi
Rated operating voltage (VDE 0110, IEC 60947-1) 250 V
Maximum switching voltage 250 V AC, 250 V DC
Rated operational current (IEC 60947-5-1)
AC12 (resistive) at 230 V 4 A
AC15 (inductive) at 230 V 3 A
DC12 (resistive) at 24 V 4 A
DC13 (inductive) at 24 V 2 A
Rating data AC (UL 508)
Utilization category (Control Circuit Rating Code) B 300
Max. rated operational voltage 300 V AC
Max. thermal uninterrupted current at B 300 5 A
Max. input/output rating (N/O / N/C) for B 300 3600/360 VA
Mechanical lifespan 30 x 106 operations
Electrical lifespan (AC12, 230 V, 4 A) 0.1 x 106 operations
Short-circuit strength/maximum fuse rating
Normally closed contact 4 A fast
Normally open contact 6 A fast
General data
Enclosure measurements (w x h x d) 22.5 x 78 x 100 mm (0.89 x 3.07 x 3.94 inches)
Mounting position Any
Degree of protection of enclosures/terminals IP50/IP20
Mounting DIN rail (EN 50022)
Electrical connection
Terminal capacities
Flexible with ferrule 2 x 0.75- 2.5 mm² (2 x 18 - 14 AWG)
Flexible without ferrule 2 x 0.75- 2.5 mm² (2 x 18 - 14 AWG)
Rigid 2 x 0.5 - 4 mm² (2 x 20 - 12 AWG)
Stripped length 7 mm (0.28 inches)
Tightening torque 0.6 - 0.8 Nm